*SUPPORT*
IN: gazzer fep zup wif blicket wif OUT: PINK GREEN BLUE BLUE BLUE BLUE BLUE BLUE
IN: dax blicket dax OUT: RED RED RED RED RED RED
IN: dax blicket wif OUT: BLUE RED RED BLUE RED RED
IN: gazzer OUT: PINK
IN: fep tufa OUT: GREEN GREEN
IN: gazzer blicket dax OUT: RED PINK PINK RED PINK PINK
IN: dax blicket fep OUT: GREEN RED RED GREEN RED RED
IN: dax zup dax zup wif OUT: RED RED BLUE
IN: gazzer blicket gazzer OUT: PINK PINK PINK PINK PINK PINK
IN: fep blicket dax OUT: RED GREEN GREEN RED GREEN GREEN
IN: dax blicket gazzer OUT: PINK RED RED PINK RED RED
IN: dax OUT: RED
IN: wif blicket fep OUT: GREEN BLUE BLUE GREEN BLUE BLUE
IN: gazzer tufa OUT: PINK PINK

*QUERY*
IN: gazzer zup dax tufa tufa OUT: PINK RED PINK RED PINK RED PINK RED
IN: fep gazzer zup dax gazzer wif OUT: GREEN PINK RED PINK BLUE
IN: fep zup dax blicket fep OUT: GREEN GREEN RED RED GREEN RED RED
IN: wif blicket gazzer OUT: PINK BLUE BLUE PINK BLUE BLUE
IN: gazzer zup fep dax OUT: PINK GREEN RED
IN: wif OUT: BLUE
IN: fep gazzer zup dax OUT: GREEN PINK RED
IN: gazzer fep blicket wif OUT: PINK BLUE GREEN GREEN BLUE GREEN GREEN
IN: fep OUT: GREEN
IN: dax zup fep blicket wif OUT: RED BLUE GREEN GREEN BLUE GREEN GREEN

*GRAMMAR*
wif -> BLUE 
 fep -> GREEN 
 dax -> RED 
 gazzer -> PINK 
 x1 tufa -> [x1] [x1] 
 u1 blicket u2 -> [u2] [u1] [u1] [u2] [u1] [u1] 
 u1 zup x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 